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    }
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    }
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    return sym; /* Found */
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    return sym; /* Found */
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}
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}
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- 
 
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/** Find the definition of a symbol.
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 *
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 * By definition in System V ABI, if module origin has the flag DT_SYMBOLIC,
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 * origin is searched first. Otherwise, or if the symbol hasn't been found,
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 * the module dependency graph is searched breadth-first, beginning
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 * from the executable program.
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 *
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 * @param name      Name of the symbol to search for.
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 * @param origin    Module in which the dependency originates.
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 * @param mod       (output) Will be filled with a pointer to the module
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 *          that contains the symbol.
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 */
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elf_symbol_t *symbol_def_find(char *name, module_t **m)
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elf_symbol_t *symbol_def_find(char *name, module_t *origin, module_t **mod)
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{
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{
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    module_t *m;
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    elf_symbol_t *sym;
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    elf_symbol_t *sym;
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- 
 
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    /* FIXME: support DT_SYMBOLIC */
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    //m = origin;
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    sym = def_find_in_module(name, runtime_env.program);
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    /* Start in the executable program */
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    if (sym != NULL) { *m = runtime_env.program; return sym; } 
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    m = runtime_env.program;
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- 
 
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    while (true) {
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    sym = def_find_in_module(name, runtime_env.libc);
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        sym = def_find_in_module(name, m);
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        if (sym != NULL) {
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            *mod = m;
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            return sym;
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        }
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        if (m->n_deps < 1) break;
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        /* FIXME: support branching */
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        if (m->n_deps > 1) {
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    if (sym != NULL) { *m = runtime_env.libc; return sym; }
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            printf("error: BFS unimplemented\n");
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            exit(1);
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        }
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    sym = def_find_in_module(name, &runtime_env.rtld);
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        m = m->deps[0];
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    if (sym != NULL) { *m = &runtime_env.rtld; return sym; }
 - 
 
- 
 
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    }
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    printf("symbol found nowhere\n");
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    printf("Error, symbol '%s' not found anywhere\n", name);
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    *m = NULL;
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    exit(1);
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    return NULL;
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    return NULL; /* Not found */
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}
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}
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uintptr_t symbol_get_addr(elf_symbol_t *sym, module_t *m)
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uintptr_t symbol_get_addr(elf_symbol_t *sym, module_t *m)
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{
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{
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    if (sym->st_shndx == SHN_ABS) {
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    if (sym->st_shndx == SHN_ABS) {